protected internal override IOperationResult ReadResponse(PooledSocket socket)
{
return(new TextOperationResult
{
Success = String.Compare(TextSocketHelper.ReadResponse(socket), "DELETED", StringComparison.Ordinal) == 0
});
}
public static void FinishCurrent(PooledSocket socket)
{
string response = TextSocketHelper.ReadResponse(socket);
if (String.Compare(response, "END", StringComparison.Ordinal) != 0)
{
throw new MemcachedClientException("No END was received.");
}
}
public static GetResponse ReadItem(PooledSocket socket)
{
string description = TextSocketHelper.ReadResponse(socket);
if (String.Compare(description, "END", StringComparison.Ordinal) == 0)
{
return(null);
}
if (description.Length < 6 || String.Compare(description, 0, "VALUE ", 0, 6, StringComparison.Ordinal) != 0)
{
throw new MemcachedClientException("No VALUE response received.\r\n" + description);
}
ulong cas = 0;
string[] parts = description.Split(' ');
// response is:
// VALUE <key> <flags> <bytes> [<cas unique>]
// 0 1 2 3 4
//
// cas only exists in 1.2.4+
//
if (parts.Length == 5)
{
if (!UInt64.TryParse(parts[4], out cas))
{
throw new MemcachedClientException("Invalid CAS VALUE received.");
}
}
else if (parts.Length < 4)
{
throw new MemcachedClientException("Invalid VALUE response received: " + description);
}
ushort flags = UInt16.Parse(parts[2], CultureInfo.InvariantCulture);
int length = Int32.Parse(parts[3], CultureInfo.InvariantCulture);
byte[] allData = new byte[length];
byte[] eod = new byte[2];
socket.Read(allData, 0, length);
socket.Read(eod, 0, 2); // data is terminated by \r\n
GetResponse retval = new GetResponse(parts[1], flags, cas, allData);
if (log.IsDebugEnabled)
{
log.DebugFormat("Received value. Data type: {0}, size: {1}.", retval.Item.Flags, retval.Item.Data.Count);
}
return(retval);
}
protected internal override IOperationResult ReadResponse(PooledSocket socket)
{
string response = TextSocketHelper.ReadResponse(socket);
var result = new TextOperationResult();
//maybe we should throw an exception when the item is not found?
if (String.Compare(response, "NOT_FOUND", StringComparison.Ordinal) == 0)
{
return(result.Fail("Failed to read response. Item not found"));
}
result.Success =
UInt64.TryParse(response, NumberStyles.AllowLeadingWhite | NumberStyles.AllowTrailingWhite, CultureInfo.InvariantCulture, out this.result);
return(result);
}
protected internal override IOperationResult ReadResponse(PooledSocket socket)
{
var serverData = new Dictionary <string, string>();
while (true)
{
string line = TextSocketHelper.ReadResponse(socket);
// stat values are terminated by END
if (String.Compare(line, "END", StringComparison.Ordinal) == 0)
{
break;
}
// expected response is STAT item_name item_value
if (line.Length < 6 || String.Compare(line, 0, "STAT ", 0, 5, StringComparison.Ordinal) != 0)
{
if (log.IsWarnEnabled)
{
log.Warn("Unknow response: " + line);
}
continue;
}
// get the key&value
string[] parts = line.Remove(0, 5).Split(' ');
if (parts.Length != 2)
{
if (log.IsWarnEnabled)
{
log.Warn("Unknow response: " + line);
}
continue;
}
// store the stat item
serverData[parts[0]] = parts[1];
}
this.result = serverData;
return(new TextOperationResult().Pass());
}
protected internal override IOperationResult ReadResponse(PooledSocket socket)
{
TextSocketHelper.ReadResponse(socket);
return(new TextOperationResult().Pass());
}